Xi County, Linfen, Shanxi, was established in the fifth year of Emperor Kaihuang's reign in the Sui Dynasty (585) The word "Xi" has been used for more than 3,000 years. The Wayaopo Cemetery excavated in 2005 is the largest Eastern Zhou cemetery ever discovered in Xi County.

It is also an important discovery of Eastern Zhou archaeology in Shanxi in recent years. In ancient times, Xizhou was located at the intersection of two rivers, and the city merged with the Xichuan River.